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Finding the Fourth Proportional to 49.26, 73.82 and 22.18

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Solution

The fourth proportional to 49.26, 73.82 and 22.18 is: 33.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.26 : 73.82 = 22.18 : x
  2. Step 2: Convert to fraction form
    49.26/73.82 = 22.18/x
  3. Step 3: Cross multiply
    49.26x = 73.82 × 22.18
  4. Step 4: Simplify right side
    49.26x = 1,637.33
  5. Step 5: Solve for x
    x = 1,637.33/49.26
  6. Step 6: Final answer
    x = 33.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.